A
generic file system module to implement the FAT file system for small embedded
systems. The "Tiny" mode with FAT16 takes about 6K of flash and about
1K of RAM (not including user read/write buffers).
http://elm-chan.org/fsw/ff/00index_e.html
http://elm-chan.org/docs/mmc/mmc_e.html
https://github.com/suan/Freescale-SD-FAT-Library
http://www.flashgenie.net/SD_adapters.html
The
Sandisk secure Digital Card Product Manual version 1.9
http://www.cs.ucr.edu/~amitra/sdcard/ProdManualSDCardv1.9.pdf
Some discussions about SPI and SD memory card on Freescale 16-bit forum:
http://forums.freescale.com/freescale/board/message?board.id=16BITCOMM&thread.id=5370
http://freescalemcu.com/samples/SdDrivers.zip
http://freescalemcu.com/samples/Simplified_Physical_Layer_Spec.pdf